Dr.Kwan hypothesizes that allowing factory employees to listen to music while working will improve productivity.After conducting his experiment,Dr.Kwan finds that the group of participants that was allowed to listen to music was more productive than the group that did not,but this difference was not statistically significant.What should Dr.Kwan conclude about the difference between the two groups?
A)His results support his hypothesis.
B)He is likely to find the same effect if he replicated the study.
C)It is possible that the difference was due to random chance.
D)Music improves productivity in factory settings.

Question

Quizplus · Accepted Answer

Since the difference between the two groups was not statistically significant, it is possible that the difference was due to random chance. Dr.Kwan cannot conclude that his hypothesis is supported or that there is a causal link between music and productivity based on the results of this experiment. Furthermore, he cannot assume that he will find the same effect if he replicates the study.

DrKwan Hypothesizes That Allowing Factory Employees to Listen to Music